What is the Greatest Common Factor of 42775 and 42779?

Greatest common factor (GCF) of 42775 and 42779 is 1.

GCF(42775,42779) = 1

We will now calculate the prime factors of 42775 and 42779, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 42775 and 42779.

How to find the GCF of 42775 and 42779?

We will first find the prime factorization of 42775 and 42779. After we will calculate the factors of 42775 and 42779 and find the biggest common factor number .

Step-1: Prime Factorization of 42775

Prime factors of 42775 are 5, 29, 59. Prime factorization of 42775 in exponential form is:

42775 = 5² × 29¹ × 59¹

Step-2: Prime Factorization of 42779

Prime factors of 42779 are 11, 3889. Prime factorization of 42779 in exponential form is:

42779 = 11¹ × 3889¹

Step-3: Factors of 42775

List of positive integer factors of 42775 that divides 42775 without a remainder.

1, 5, 25, 29, 59, 145, 295, 725, 1475, 1711, 8555

Step-4: Factors of 42779

List of positive integer factors of 42779 that divides 42775 without a remainder.

1, 11, 3889

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 42775 and 42779. The biggest common factor number is the GCF number.
So the greatest common factor 42775 and 42779 is 1.

Also check out the Least Common Multiple of 42775 and 42779